Matthew John Griffith, D.C.

Primary specialty

ChiropractorTaxonomy code 111N00000X

License

31329 Issued in CA

Practice address

5455 Garden Grove Blvd Ste 100
Westminster, CA 92683-8201

Phone

(714) 362-7942

NPI assigned

Aug 13, 2009

Last updated

Oct 22, 2025By the provider in NPPES

Sex

Male

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Enrolled

State licenses

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Griffith and Ramirez Chiropractic Center, Inc.

  dba Optimized Living Wellness Center

  • Chiropractor
  • Westminster, CA
  • NPI 1154645281
  Authorized official Same address or phone
• Griffith Chiropractic Inc.

  • Rehabilitation Chiropractor
  • Westminster, CA
  • NPI 1164858320
  Authorized official Same address or phone
• Oc Physical Therapy P.C.

  • Orthopedic Physical Therapist
  • Westminster, CA
  • NPI 1962811851
  Authorized official Same address or phone

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1250121600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1761091200000",
    "number": "1306078001",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5455 GARDEN GROVE BLVD STE 100",
            "city": "WESTMINSTER",
            "state": "CA",
            "postal_code": "926838201",
            "telephone_number": "714-362-7942"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5455 GARDEN GROVE BLVD STE 100",
            "city": "WESTMINSTER",
            "state": "CA",
            "postal_code": "926838201",
            "telephone_number": "714-362-7942"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "GRIFFITH",
        "first_name": "MATTHEW",
        "middle_name": "JOHN",
        "name_prefix": "Dr.",
        "credential": "D.C.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2009-08-13",
        "last_updated": "2025-10-22",
        "certification_date": "2025-10-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "111N00000X",
            "taxonomy_group": "",
            "desc": "Chiropractor",
            "state": "CA",
            "license": "31329",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Victoria Greblya, MD
• Monica Star Green
• Celeste Gregorio
• Griffith and Ramirez Chiropractic Center, Inc. (Optimized Living Wellness Center)
• Griffith Chiropractic Inc.
• Esmeralda Guijarro
• Hannah Elizabeth Guild
• Ashley Guzman
• H. Duong DDS Inc.
• Annie Ha

• Chiropractor in Westminster, CA
• Providers in Westminster, CA by specialty
• Chiropractor in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.